The Makita DUM604Z 18v LXT Li-ion 160mm Grass Shears feature a stain-free shear blade surface of glittering silver obtained by non-electrolysis nickel plating that features high anti-abrasion surface for a long-lasting coating. The DUM604Z is designed for home users, landscapers, nurseries and gardeners and its blade systems are interchangeable, where the grass shear and hedge trimmer blades can be installed into both the 10.8v and 18v units. This model also has the added feature of a battery capacity warning - lamp starts blinking red, this indicates battery capacity is low and when the lamp lights up, the tool has stopped due to battery capacity being empty.